Flank Steak with butter

1 lb linguine 1 lb flank steak, cut across the grain in thin 1/4 inch thick slices 1 tablespoon cornstarch 1 tablespoon dry sherry 1 pinch sugar 1 tablespoon[...]

1 tablespoon extra virgin olive oil 1 lb flank steak, divided in half if it's all one piece kosher salt & freshly ground black pepper 1 garlic clove , minced[...]

2 tablespoons butter or 2 tablespoons margarine 1/4 cup finely chopped onion 1 clove garlic , crushed or minced 1 1/2 tablespoons flour 1/2 teaspoon dried[...]